Fishing report
Day Lake Yellow Perch Fishing Report
Boulder Junction, WI
Free — no account, no app
Modeled from National Weather Service data, plus solunar and sun/moon times computed in-house. This is a computed report, not an eyewitness catch report.
The state's records for Day Lake name the category Yellow Perch belongs to rather than the individual species, so its presence is derived from that category, not from a species-level survey.
Max depth
48 ft
Deepest measurement on record
Max depth: Stachelek et al. (2021), LAGOS-US DEPTH v1.0, Environmental Data Initiative (CC BY 4.0)
Live National Weather Service data is temporarily unavailable, so this report can't be built right now. Try again in a few minutes.
Where to find Yellow Perch right now
Typical Fall depth: 15-30 ft
Yellow Perch feed most actively at Dawn and Dusk, when activity runs about 30% above the daily average across all four light windows.
Day Lake's deepest measurement on record is 48 ft — read the depth bands above against that. It is the deepest point someone actually measured on this water, not a contour survey, so deeper water may exist and there is no depth map to check it against.
Plan a Yellow Perch trip to Day Lake
Change the date, compare species, or check the week ahead in the live tool.
Other species on record at Day Lake
FAQ
Common questions
Are there Yellow Perch in Day Lake?
The state's records for Day Lake name the category Yellow Perch belongs to rather than the individual species, so its presence is derived from that category, not from a species-level survey.
When do Yellow Perch bite at Day Lake?
Yellow Perch feed most actively at Dawn and Dusk, when activity runs about 30% above the daily average across all four light windows. Today's report above scores every hour of the local day against live weather for Day Lake, and shows what each input contributed alongside how well the evidence supports it.
How deep should you fish for Yellow Perch at Day Lake?
Typical Yellow Perch depth by season: Pre-Spawn 3-8 ft, Spawn 1-5 ft, Post-Spawn 5-12 ft, Summer 10-25 ft, Fall 15-30 ft, Winter 25-50 ft. These bands come from published fisheries data for the species, not from a survey of Day Lake itself.